#ifndef __MY_CONFIG__
#define __MY_CONFIG__

#include "util.hpp"
#include <mutex>

namespace cloud
{
#define CONFIG_FILE "./cloud.conf"
    class Config
    {
    public:
        static Config *GetInstance()
        {
            if(_instance == nullptr)
            {
                _mutex.lock();
                if(_instance == nullptr)
                {
                   _instance = new Config();
                }
                _mutex.unlock();
            }  

            return _instance;
        }

        int GetHotTime()
        {
            return _hot_time;
        }   

        int GetServerPort()
        {
            return _server_port;
        }

        std::string GetServerIp()
        {
            return _server_ip;
        }

        std::string GetDownloadPrefix()
        {
            return _download_prefix;
        }

        std::string GetPackFileSuffix()
        {
            return _packfile_suffix;
        }

        std::string GetPackDir()
        {
            return _pack_dir;
        }

        std::string GetBackDir()
        {
            return _back_dir;
        }

        std::string GetBackupFile()
        {
            return _backup_file;
        }

    private:
        int _hot_time;
        int _server_port;
        std::string _server_ip;
        std::string _download_prefix;
        std::string _packfile_suffix;
        std::string _pack_dir;
        std::string _back_dir;
        std::string _backup_file;

        bool ReadConfigFile()
        {
            FileUtil fu(CONFIG_FILE);
            std::string body;
            if (fu.GetContent(&body) == false)
            {
                std::cerr << "load config file error" << std::endl;
                return false;
            }

            Json::Value root;
            if (JsonUtil::UnSerialize(body, &root) == false)
            {
                std::cerr << "load config unserialize error" << std::endl;
                return false;
            }

            _hot_time = root["hot_time"].asInt();
            _server_port = root["server_port"].asInt();
            _server_ip = root["server_ip"].asString();
            _download_prefix = root["download_prefix"].asString();
            _packfile_suffix = root["packfile_suffix"].asString();
            _pack_dir = root["pack_dir"].asString();
            _back_dir = root["back_dir"].asString();
            _backup_file = root["backup_file"].asString();

            return true;
        }

    private:
        Config() 
        {
            ReadConfigFile();
        }

        static Config *_instance;
        static std::mutex _mutex;
    };

    Config *Config::_instance = nullptr;
    std::mutex Config::_mutex;
}

#endif